/*
 * Copyright 2010 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.google.websocket;

import java.net.URI;
import java.net.URISyntaxException;
import java.nio.charset.Charset;

/**
 * Base class for {@link WebSocketHandshake} implementations.
 */
public abstract class WebSocketHandshakeBase implements WebSocketHandshake {

  protected static final Charset UTF8 = Charset.forName("UTF-8");

  protected URI normalizeUri(URI uri) throws URISyntaxException {
    uri = uri.normalize();
    if (uri.getPath().length() == 0) {
      uri = new URI(uri.getScheme(), uri.getUserInfo(), uri.getHost(),
          uri.getPort(), "/", uri.getQuery(), uri.getFragment());
    }
    return uri;
  }
}